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'HENRY R. STflN E AND EDWARD N. SGHOULTZ, OF GREEN WIOH, NEW Y ORK.

Letters Patent No. 60,590, dated December 18, 1866.

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TO ALL WHOM I1 MAY CONCERN:

Be it known that we, HENRY R. STONE, and EDWARD N. SGHOULTZ, (Schou1tz,) both of the town of Greenwich, Washington county, New York, have invented a new mode of Stuifing or Filling the Pores of all Kinds of Porous Woods, and producing a finish thereon by the use of a certain compound invented by us; and we do hereby declare that the following is a full and exact description thereof.

The nature of our invention consists in taking the wood in the rough state; we-then apply to it our compound. The compound fills the pores of the wood to which it is applied, and producesafinish. There are two kinds of finish: one known as oil finish, the other as varnish finish. Either is produced by the use of our compound. Thus, with less labor, in a far less time, and by a far cheaper mode, do we produce and finish a surface than by the common process. We also add.that this compound renders the surface of all kinds of porous woods impervious to water, heat, or cold; that every mark, stain, or scratch upon a wood filled or covered by this compound may be removed by a wet cloth, in perfect crintradistinction from a piece of wood covered by a surface of simple varnish, where water may and will stain, and every scratch is noticed, andcannot be removed except bypumi-ce stone, and thereafter by revarnishing.

To enable others skilled in the art to make and use our invention, we will proceed to describe our compound and the ingredients of which it is composed.

We will first proceed to describe our compound as applied to produce the finish known as oil finish. For the purpose of producing this finish, we first smooth the surface of the wood to be filled with the compound with pumice stone or sand paper. Next, to make half a gallon of our compound, we take two quarts of linseed oil, (double boiled,) one pound of beeswax, two pounds of litharge, quarter of a pound of sugar of lead, one pound of plaster of Paris, all to be placed over a fire until the beeswax is melted; then apply the mixture to the wood. If we desire to tinge the wood to any particular color,'we use raw or burnt sienna, burnt umber, or Vandyke brown, or any kind of coloring matter known to the arts, which will produce a particular shade or color. Said coloring matter to be used in accordance with and in reference to the kind of wood to be colored, and the color desired to be produced; such coloring matter to be put into said compound before it is applied to the wood.

After the wax is melted, and we have tinged the compound to the desired color, then we take a common paint brush of sufficient size and cover the surface of the wood with the above-described compound; we wait twenty minutes for the compound to saturate the pores of the wood to which it is applied. Then we take a common cork of sufiicient size and rub the surface of the wood to which the compound has been applied, until the cork adheres to the surface of the wood to that degree that it is ditficult to pass it over the surface. We then take a common spatula knife and pass it over the surface of the wood as filled with our compound, for the purpose of removing any of such stufing as may not have beencompletcly absorbed by the pores of the wood, thus leaving the surface of said wood perfectly clean. Six hours after said compound has been applied to said wood, and said surface cleaned, said compound is to be applied again; but the coating to be lighter than when'applicd the first time, and rubbed down closer. Then the common cork is to be applied again to the surface of the wood until it adheres and becomes dillicult to move over such surface. After this, the spatula knife is to be used edgewisc over the whole of such surface, in order to make or produce a smooth surface We then wait-six hours for the surface to become perfectly'hard; in six hours it becomes perfectly hard. Then we take a piece of woollen cloth saturated with pure cold water, give the surface a light rubbing, after which we wipe said sur face perfectly dry with a chamois skin; we thus produce a perfect oil finish, as we have before said, impervious to water or air.

To produce the finish known as varnish finish, we first make the wood smooth by the use of pumice stone or sand paper;- next we apply our compound for the purpose of filling the pores of the wood. The compound we use is composed of the following ingredients, and in the following proportions: To produce a half gallon we take two quarts of benzine or turpentine, two pounds of plaster of Paris, one-quarter of a poundof sugar of lead, one-quarter of a pound of beeswax, one pound of litharge; we place the compound over a fire until beeswax is dissolved. If we desire to tinge or color the wood to any particular color, we use raw or burnt sienna, burnt umber, Vandyke brown, or any kind of'coloring matter known to the arts, which will produce a par- .ticular shade or color; said coloring matter to be used in accordance with and in reference to the kind of wood to be colored, and the color desired to be produced. Such coloring matter to be put into said compound before it is applied to the wood. We then take an ordinary paint brush and apply the compound to the wood. Two hours after the compound is applied, we take No. 1 sand paper and sand-paper the surface smooth; we then apply another coat of the compound, and wait two hours for it to dry. Then we dust the surface carefully. Then we apply a flowing coat of copal varnish to the surface, and a perfect varnish finish ,is produced.

Claim.

What we claim as our invention, and desire to secure by Letters Patent, is-

The compound, which we have above described, to be applied either to oil finish or drarnish finish, and to be used for the purpose of filling or stufling the pores or interstices of all kinds of porous woods, thus making a perfect enamelled surface, impenetrable to air or water, and which cannot be injured by either.

November 9th, 1865.

HENRY R. STONE,

EDWARD N. SCHOULTZ.

Witnesses Tues. INGALLS, Enwm .WILMUMH. 

